DR Congo rebel threatens invasion
He accuses President Kabila of being dictatorial.
In a 17-page letter, seen by the BBC, Gen Nkunda said the transitional administration of President Joseph Kabila was corrupt and intent on promoting instability in the east.
He said the decision to stop more than 200,000 Congolese refugees living in neighbouring countries from returning home to Kivu to participate in the elections showed President Kabila's unwillingness to foster peace.
Elections were due before the end of June under the terms of the 2002 peace deal, but MPs have backed a six-month delay.
According to the BBC's Arnaud Zajtman in Kinshasa, the United Nations refugee agency has said it is not logistically feasible to organise the return of the refugees before the completion of the electoral registration process.
Full story at BBC Aug 29, 2005.